On 16/08/2019 9.48, Wenwen Wang wrote:
> In ti_dra7_xbar_probe(), 'rsv_events' is allocated through kcalloc(). Then
> of_property_read_u32_array() is invoked to search for the property.
> However, if this process fails, 'rsv_events' is not deallocated, leading to
> a memory leak bug. To fix this issue, free 'rsv_events' before returning
> the error.
Thank you,
Acked-by: Peter Ujfalusi <peter.ujfalusi@xxxxxx>
> Signed-off-by: Wenwen Wang <wenwen@xxxxxxxxxx>
> ---
> drivers/dma/ti/dma-crossbar.c | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/dma/ti/dma-crossbar.c b/drivers/dma/ti/dma-crossbar.c
> index ad2f0a4..f255056 100644
> --- a/drivers/dma/ti/dma-crossbar.c
> +++ b/drivers/dma/ti/dma-crossbar.c
> @@ -391,8 +391,10 @@ static int ti_dra7_xbar_probe(struct platform_device *pdev)
>
> ret = of_property_read_u32_array(node, pname, (u32 *)rsv_events,
> nelm * 2);
> - if (ret)
> + if (ret) {
> + kfree(rsv_events);
> return ret;
> + }
>
> for (i = 0; i < nelm; i++) {
> ti_dra7_xbar_reserve(rsv_events[i][0], rsv_events[i][1],
>
- Péter
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